Home / 10,359.95-15,540.03-5,677.40

Finding the Fourth Proportional to 10,359.95, 15,540.03 and 5,677.40

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Solution

The fourth proportional to 10,359.95, 15,540.03 and 5,677.40 is: 8,516.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,359.95 : 15,540.03 = 5,677.40 : x
  2. Step 2: Convert to fraction form
    10,359.95/15,540.03 = 5,677.40/x
  3. Step 3: Cross multiply
    10,359.95x = 15,540.03 × 5,677.40
  4. Step 4: Simplify right side
    10,359.95x = 88,227,023.66
  5. Step 5: Solve for x
    x = 88,227,023.66/10,359.95
  6. Step 6: Final answer
    x = 8,516.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.